Comparison of Clinical and Radiologic Outcome of Adolescent Idiopathic Scoliosis Treated with Hybrid Hook-Screw Instrumentation versus Universal Clamp System

Table 1

Coronal preoperative, immediate, and final postoperative Cobb angle measurements and final correction in both groups.

Coronal Cobb angle measurements	Group A	Group B	Significance
Mean preoperative	58° (42–74)	60° (46–75)	NS
Mean immediate postoperative	24.5° (14–28)	15° (12.5–19)
Mean final postoperative	28.1° (15–34)	17.4° (13–24)
Mean final curve correction	60.4%	75.5%